The endoderm does not give rise to which of the following structures?
A. The lining of the respiratory tract
B. The thymus
C. The thyroid gland
D. The blood
E. The lining of the digestive tract
Answer: D
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Excess circulating quantities of which of the following nutrient molecules can ultimately be stored in adipose tissue as triglycerides?
a. fatty acids b. glucose c. amino acids d. Both a and b e. All of the above
A nonessential amino acid is one that
A. can be made within the body. B. has the same structure as one of the other amino acids. C. is not used in any physiological functions. D. needs to come from the diet.
The probability of a certain event occurring is defined as: P = number of specific events/total number of events. If an event happens one out of every two times its probability is ________
A) 50% B) 25% C) 100% D) 10%
A posterior and anterior root of each spinal segment unite to form a
A) cervical enlargement. B) lumbar enlargement. C) spinal nerve. D) spinal meninx. E) spinal ganglion.